package com.tech.security.securityservice.service.impl;

import com.alibaba.fastjson.JSON;
import com.tech.security.securityservice.result.Result;
import com.tech.security.securityservice.util.WebUtils;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;


import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author sl
 * 认证失败返回处理
 */
@Component
public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {

        Result result = new Result(HttpStatus.UNAUTHORIZED.value(), "用户认证失败，请重新登录");
        String json = JSON.toJSONString(result);
        // 处理异常，调用工具类
        WebUtils.renderString(response, json);
    }

}
